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L6995STR Datasheet(PDF) 4 Page - STMicroelectronics

Part # L6995STR
Description  LOSSLESS CURRENT LIMIT
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6995STR Datasheet(HTML) 4 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
L6995S
4/26
CURRENT LIMIT AND ZERO CURRENT COMPARATOR
ILIM input bias current
RILIM = 2KΩ to 400KΩ
4.955.1
µA
Zero Crossing Comparator Offset
Phase-gnd
-2
2
mV
ON TIME
Ton
On time duration
VREF=VSENSE OSC=250mV
850
950
1050
ns
VREF=VSENSE OSC=500mV
470
520
570
ns
VREF=VSENSE OSC=1V
250
285
320
ns
VREF=VSENSE OSC=2V
130
160
190
ns
OFF TIME
TOFFMIN
Minimum off time
580
ns
KOSC/TOFFMIN
OSC=250mV
0.30
0.60
VOLTAGE REFERENCE
VREF
Voltage Accuracy
0
µA < IREF < 100µA
0.891
0.9
0.909
V
PWM COMPARATOR
Input voltage offset
-2
+2
mV
IFB
Input Bias Current
0.1
µA
INTEGRATOR
INT
Over Voltage Clamp
VSENSE = VCC
1.04
1.07
1.1
V
INT
Under Voltage Clamp
VSENSE = GND
0.82
0.84
0.86
V
Integrator Input Offset Voltage
VSENSE-VREF
-5
5
mV
IVSENSE
Input Bias Current
0.1
µA
GATE DRIVERS
High side rise time
VDR=3.3V; C=7nF
HGATE - PHASE from 1 to 3V
50
70
ns
High side fall time
50
70
ns
Low side rise time
VDR=3.3V; C=14nF
LGATE from 1 to 3V
50
70
ns
Low side fall time
50
70
ns
PGOOD UVP/OVP PROTECTIONS
OVP
Over voltage threshold
with respect to VREF
112
115
118
%
UVP
Under voltage threshold
66
69
72
%
PGOOD
Upper threshold
(VSENSE-VREF)
VSENSE rising
107
110
113
%
PGOOD
Lower threshold
(VSENSE-VREF)
VSENSE falling
868992
%
VPGOOD
ISink=2mA
0.14
0.2
V
Table 5. Electrical Characteristics (continued)
(VCC = VDR = 5V; Tamb = 0°C to 85°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit



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